I don't really care either way on this topic acceptance criteria in schools. I just don't like it when people misunderstand other people's arguments and refuse to accept reasonable clarifications.
> have accomplished precisely nothing
You could have just accepted the reasonable clarification, with WhoOhWhyQ said, which is "overrepresentation is not an acceptable justification for discrimination", and gone on from there.
> to how ridiculous this is?
You could have just gone with the clarification which was helpfully offered. No ridiculousness necessary.